CN113005931B - Durable type assembled UHPC shed tunnel structure in plateau - Google Patents
Durable type assembled UHPC shed tunnel structure in plateau Download PDFInfo
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- CN113005931B CN113005931B CN202110375045.7A CN202110375045A CN113005931B CN 113005931 B CN113005931 B CN 113005931B CN 202110375045 A CN202110375045 A CN 202110375045A CN 113005931 B CN113005931 B CN 113005931B
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- fixedly connected
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- rack
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
- E04B1/34321—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by panels
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
- E04B1/34326—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by longitudinal elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
- E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/20—Roofs consisting of self-supporting slabs, e.g. able to be loaded
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a plateau durable assembly type UHPC shed tunnel structure, which comprises a base fixedly connected to the ground and an upright post fixedly connected to the top end of the base; the top end of the upright post is fixedly connected with a supporting part, a shed roof is arranged above the supporting part, one side of the supporting part, which is far away from the base, is fixedly connected with a plurality of clamping parts, and one side of the shed roof, which is close to the base, is fixedly provided with positioning rods corresponding to the clamping parts; the bottom end of the shed tunnel top is fixedly connected with the top end of the upright post; the top end of the shed tunnel top is fixedly connected with a buffering part, a guide plate is obliquely arranged above the buffering part, one end of the guide plate is hinged with the buffering part, and the other end of the guide plate is fixedly connected with a mountain body. The invention is an assembly type shed tunnel, and the construction efficiency is greatly improved. The snow is guided away through the guide plate, so that the snow is prevented from directly impacting the shed tunnel, and the reliability and the service life of the shed tunnel are greatly improved.
Description
Technical Field
The invention relates to the technical field of mountain area protection, in particular to a plateau durable assembly type UHPC shed tunnel structure.
Background
UHPC, i.e. Ultra-High Performance Concrete (UHPC), is also known as Reactive Powder Concrete (RPC). The cement-based material is an ultrahigh-strength cement-based material with high strength, high toughness and low porosity.
Due to the ultrahigh performance of the UHPC, the material consumption of the UHPC is saved when the UHPC is applied to the aspects of structures, decoration and the like, and the dead weight of buildings or members is reduced, so that the emission of carbon dioxide is reduced; and the excellent durability can reduce the maintenance and repair of buildings and components, and realize more green and energy-saving buildings in the whole life cycle of the buildings.
The mountain ranges in the plateau are accumulated with snow all the year round, and many highways are built along mountains. In the avalanche high-rise road section, the driving safety is seriously threatened, and at present, a shed tunnel is generally adopted to protect the avalanche high-rise road section.
However, the existing shed tunnel is complex in construction process and overlong in construction period, and most of the existing shed tunnels are formed by pouring common concrete in situ, so that the intensity is not enough to meet the requirement of bearing the impact in avalanche, and the snow is guided away without guidance to avoid the direct impact of the snow on the shed tunnel, so that the reliability of the shed tunnel is difficult to guarantee.
Disclosure of Invention
The invention aims to provide a plateau durable fabricated UHPC shed tunnel structure to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a plateau durable assembly type UHPC shed tunnel structure, which is positioned on one side of a mountain body, is fixedly built on the ground and comprises a base fixedly connected to the ground and an upright post fixedly connected to the top end of the base; the top end of the upright post is fixedly connected with a supporting part, a shed roof is arranged above the supporting part, one side of the supporting part, which is far away from the base, is fixedly connected with a plurality of clamping parts, and one side of the shed roof, which is close to the base, is fixedly provided with positioning rods corresponding to the clamping parts; the bottom end of the shed tunnel top is fixedly connected with the top end of the upright post; the top end of the shed tunnel top is fixedly connected with a buffering part, a guide plate is obliquely arranged above the buffering part, one end of the guide plate is hinged to the buffering part, and the other end of the guide plate is fixedly connected with the mountain body.
Preferably, the shed tunnel roof comprises a flexible connecting piece, the bottom end of the flexible connecting piece is fixedly connected with a plurality of shed tunnel roof block bodies, and two adjacent shed tunnel roof block bodies are in clearance fit; and the positioning rod is fixedly connected with the shed tunnel top block body.
Preferably, the clamping part comprises a fixed seat fixedly connected with the supporting part, a groove is formed in the top end of the fixed seat, a fixed rod is fixedly connected to the bottom end of the groove, a limiting bulge is fixedly arranged at the top end of the fixed rod, and a sliding plate is slidably sleeved on the fixed rod; the fixed rod is sleeved with a first spring, and two ends of the first spring are respectively and fixedly connected with the bottom end of the sliding plate and the bottom end of the groove; a supporting block is arranged above the fixed seat and fixedly connected with the sliding plate; a first fixed block is arranged above the fixed rod and fixedly connected with the groove, third connecting rods are symmetrically hinged to the first fixed block, the top ends of the third connecting rods are fixedly connected with clamping blocks, and the clamping blocks are located above the fixed seat; the tail end of the third connecting rod is in transmission connection with the sliding plate.
Preferably, the tail end of the third connecting rod is hinged with a fourth connecting rod, and the tail end of the fourth connecting rod is hinged with a fifth connecting rod and a sixth connecting rod; the tail end of the fifth connecting rod is hinged with the inner wall of the groove, and the tail end of the sixth connecting rod is hinged with the sliding plate.
Preferably, the supporting part comprises a first supporting frame and a second supporting frame which are fixedly connected with the upright post, and the fixed seat is fixedly connected to the first supporting frame and the second supporting frame; the tail end of the second support frame is fixedly connected with an adjusting box, and the tail end of the first support frame is connected with the adjusting box in a sliding mode.
Preferably, a first rack and a first gear are arranged in the adjusting box, the first rack is in limit sliding connection with the adjusting box, the first gear is in rotary connection with the adjusting box, and the first gear is meshed with the first rack; the tail end of the first support frame penetrates through the adjusting box and is fixedly connected with the first rack; and an adjusting knob is arranged on the outer wall of the adjusting box and is coaxially and fixedly connected with the first gear.
Preferably, the buffer part comprises a buffer groove fixedly connected with the flexible connecting piece, and the inner wall of the bottom end of the buffer groove is symmetrically and fixedly connected with hydraulic rods; the top end of the hydraulic rod is fixedly connected with a cover plate, and the guide plate is hinged with the cover plate; two be provided with first energy-absorbing subassembly between the hydraulic stem symmetry, one side that first energy-absorbing subassembly is close to the hydraulic stem is provided with the second energy-absorbing subassembly, first energy-absorbing subassembly with second energy-absorbing subassembly fixed connection.
Preferably, the first energy absorption assembly comprises a second fixed block fixedly connected with the buffer groove, a second rack is connected to the side wall of the second fixed block in a sliding manner, a second gear is rotatably connected to the bottom end of the buffer groove, and the second rack is meshed with the second gear; the top end of the second gear is fixedly connected with a sliding rod, the bottom end of the cover plate is fixedly connected with a U-shaped frame, and the tail end of the sliding rod penetrates through the U-shaped frame and is fixedly connected with a limiting bulge; the sliding rod is sleeved with a torsion spring, and two ends of the torsion spring are respectively fixedly connected with the top end of the second gear and the bottom end of the U-shaped frame; one end, far away from the hydraulic rod, of the second rack is hinged with a first connecting rod, and the tail end of the first connecting rod is fixedly connected with the U-shaped frame; and one end of the second rack close to the hydraulic rod is fixedly connected with the second energy-absorbing assembly.
Preferably, the second energy absorption assembly comprises a C-shaped groove arranged on one side, close to the hydraulic rod, of the second fixed block, and the C-shaped groove is fixedly connected with the bottom end of the buffer groove; the C-shaped groove is connected with a second connecting rod in a sliding mode, one end of the second connecting rod is fixedly connected with the second rack, the other end of the second connecting rod is fixedly connected with a second spring, and the tail end of the second spring is fixedly connected with the inner wall of the C-shaped groove.
Preferably, the material of the shed tunnel roof block body is UHPC.
The invention discloses the following technical effects:
1. most of the structures of the invention are prefabricated in advance, and the shed tunnel is directly installed when arriving at a construction site, thereby not only greatly improving the erecting efficiency of the shed tunnel, but also avoiding avalanche or collapse caused by overlarge movement and inertia in the construction process, and greatly improving the safety in the construction process.
2. The shed tunnel roof and the guide plate are made of UHPC, so that the dead weight of a building or a member is reduced, the durability of the building is improved, and the maintenance and repair of the building and the member are reduced.
3. The snow guide plate is provided with the snow guide plate, so that snow can be guided away to be prevented from directly impacting the shed tunnel, and the reliability of the shed tunnel is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a plateau durable fabricated UHPC shed tunnel structure of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is an enlarged view of B in FIG. 1;
FIG. 4 is a schematic structural view of a support portion according to the present invention;
FIG. 5 is a front view of the clamping portion of the present invention;
FIG. 6 is a left side view of the clamping portion of the present invention;
FIG. 7 is a schematic view of the buffer portion according to the present invention;
FIG. 8 is a top view of a plateau durable fabricated UHPC hangar tunnel structure of the present invention;
FIG. 9 is a schematic view of the structure of the shed tunnel roof of the present invention;
FIG. 10 is a schematic view of the present invention during the hoisting of the shed tunnel ceiling;
wherein, 1 is a guide plate, 2 is a buffer part, 3 is a shed roof, 4 is a clamping part, 5 is a supporting part, 6 is a base, 7 is a ground, 8 is a column, 9 is a mountain, 10 is a plug-in rod, 11 is a connecting block, 12 is a seventh connecting rod, 13 is a positioning rod, 14 is an anchor rod, 201 is a cover plate, 202 is a hydraulic rod, 203 is a C-shaped groove, 204 is a buffer groove, 205 is a second spring, 206 is a second connecting rod, 207 is a second fixing block, 208 is a first connecting rod, 209 is a second rack, 210 is a second gear, 211 is a sliding rod, 212 is a torsion spring, 213 is a U-shaped frame, 301 is a flexible connecting piece, 302 is a shed roof block, 401 is a clamping block, 402 is a supporting block, 403 is a supporting rod, 404 is a third connecting rod, 405 is a fourth connecting rod, 406 is a fifth connecting rod, 407 is a fixing seat, 408 is a fixing rod, 409 is a first spring, 410 is a sixth connecting rod, 411 is a sliding plate, 412 is a first fixed block, 501 is a second support frame, 503 is a first support frame, 504 is an adjusting box, 505 is a first rack, 506 is a slide block, and 507 is a first gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides a plateau durable assembly type UHPC shed tunnel structure, which is positioned on one side of a mountain body 9, is fixedly built on the ground 7 and comprises a base 6 fixedly connected on the ground 7 and an upright post 8 fixedly connected at the top end of the base 6; the top end of the upright post 8 is fixedly connected with a supporting part 5, a shed roof 3 is arranged above the supporting part 5, one side of the supporting part 5, which is far away from the base 6, is fixedly connected with a plurality of clamping parts 4, and one side of the shed roof 3, which is close to the base 6, is fixedly provided with a positioning rod 13 corresponding to the clamping parts 4; the bottom end of the shed tunnel roof 3 is fixedly connected with the top end of the upright post 8; the top end of the shed tunnel roof 3 is fixedly connected with a buffering part 2, a guide plate 1 is obliquely arranged above the buffering part 2, one end of the guide plate 1 is hinged with the buffering part 2, and the other end of the guide plate 1 is fixedly connected with a mountain body 9.
Further, the shed roof 3 comprises a flexible connecting piece 301, the bottom end of the flexible connecting piece 301 is fixedly connected with a plurality of shed roof block bodies 302, and every two adjacent shed roof block bodies 302 are in clearance fit; the locating rod 13 is fixedly connected with the shed roof block body 302. The shed tunnel roof 3 is a plane during transportation by adopting the structure, so that the transportation is convenient; during hoisting, under the action of gravity, the adjacent two shed roof blocks 302 are in contact with each other from clearance fit, so that the shed roof 3 is arc-shaped.
Furthermore, the locating rod 13 is arranged along the length direction of the shed tunnel, one side of the locating rod 13 close to the shed tunnel top block body 302 is fixedly provided with a plurality of seventh connecting rods 12, and the tail ends of the seventh connecting rods 12 are fixedly connected with the shed tunnel top block body 302.
Further, one end of the guide plate 1, which is close to the mountain body 9, is hinged with a connecting block 11, one side of the connecting block 11, which is close to the mountain body 9, is fixedly connected with a plurality of anchor rods 14, and the tail ends of the anchor rods 14 are fixedly connected with the mountain body 9.
Further, the clamping part 4 comprises a fixed seat 407 fixedly connected with the supporting part 5, a groove is formed in the top end of the fixed seat 407, a fixed rod 408 is fixedly connected to the bottom end of the groove, a limiting protrusion is fixedly arranged at the top end of the fixed rod 408, and a sliding plate 411 is slidably sleeved on the fixed rod 408; a first spring 409 is sleeved on the fixed rod 408, and two ends of the first spring 409 are respectively and fixedly connected with the bottom end of the sliding plate 411 and the bottom end of the groove; a supporting block 402 is arranged above the fixed seat 407, and the supporting block 402 is fixedly connected with the sliding plate 411; a first fixing block 412 is arranged above the fixing rod 408, the first fixing block 412 is fixedly connected with the groove, third connecting rods 404 are symmetrically hinged on the first fixing block 412, the top ends of the third connecting rods 404 are fixedly connected with clamping blocks 401, and the clamping blocks 401 are located above the fixing seats 407; the end of the third connecting rod 404 is drivingly connected to the sliding plate 411.
Further, the bottom end of the supporting block 402 is fixedly connected with the supporting rod 403, and the end of the supporting rod 403 is fixedly connected with the sliding plate 411.
Further, the end of the third connecting rod 404 is hinged with a fourth connecting rod 405, and the end of the fourth connecting rod 405 is hinged with a fifth connecting rod 406 and a sixth connecting rod 410; the end of the fifth connecting rod 406 is hinged to the inner wall of the groove, and the end of the sixth connecting rod 410 is hinged to the sliding plate 411.
Further, the support part 5 comprises a first support frame 503 and a second support frame 501 fixedly connected with the upright post 8, and the fixed seat 407 is fixedly connected to the first support frame 503 and the second support frame 501; the end of the second support frame 501 is fixedly connected with an adjusting box 504, and the end of the first support frame 503 is slidably connected with the adjusting box 504. The first gear 507 is driven to rotate by rotating the adjusting knob, so that the first rack 505 is driven to slide in the adjusting box 504, and the distance between the first support frame 503 and the second support frame 501 is adjusted, so that the highway width adjusting device can be suitable for highways with various widths.
Further, a first rack 505 and a first gear 507 are arranged in the adjusting box 504, the first rack 505 is connected with the adjusting box 504 in a limiting and sliding manner, the first gear 507 is connected with the adjusting box 504 in a rotating manner, and the first gear 507 is meshed with the first rack 505; the tail end of the first support frame 503 penetrates through the adjusting box 504 and is fixedly connected with a first rack 505; an adjusting knob is arranged on the outer wall of the adjusting box 504 and is coaxially and fixedly connected with the first gear 507.
Furthermore, a limiting sliding groove is formed in the inner wall of the top end of the adjusting box 504, a sliding block 506 matched with the limiting sliding groove is fixedly connected to the top end of the first rack 505, and the first rack 505 is connected with the adjusting box 504 in a limiting sliding mode through the sliding block 506.
Further, the bottom ends of the first support frame 503, the second support frame 501 and the shed tunnel roof 3 are fixedly connected with the insertion rods 10, the top ends of the upright posts 8 are provided with slots corresponding to the insertion rods 10, and the first support frame 503, the second support frame 501 and the shed tunnel roof 3 are fixedly connected with the upright posts 8 through the insertion rods 10.
Further, the buffer part 2 comprises a buffer groove 204 fixedly connected with the flexible connecting piece 301, and the inner wall of the bottom end of the buffer groove 204 is symmetrically and fixedly connected with hydraulic rods 202; the top end of the hydraulic rod 202 is fixedly connected with a cover plate 201, and the guide plate 1 is hinged with the cover plate 201; first energy-absorbing components are symmetrically arranged between the two hydraulic rods 202, a second energy-absorbing component is arranged on one side, close to the hydraulic rods 202, of the first energy-absorbing components, and the first energy-absorbing components are fixedly connected with the second energy-absorbing components.
Further, the first energy absorbing assembly comprises a second fixed block 207 fixedly connected with the buffer groove 204, a second rack 209 is connected to the side wall of the second fixed block 207 in a sliding manner, a second gear 210 is connected to the bottom end of the buffer groove 204 in a rotating manner, and the second rack 209 is meshed with the second gear 210; the top end of the second gear 210 is fixedly connected with a sliding rod 211, the bottom end of the cover plate 201 is fixedly connected with a U-shaped frame 213, and the tail end of the sliding rod 211 penetrates through the U-shaped frame 213 and is fixedly connected with a limiting bulge; the sliding rod 211 is sleeved with a torsion spring 212, and two ends of the torsion spring 212 are respectively fixedly connected with the top end of the second gear 210 and the bottom end of the U-shaped frame 213; one end of the second rack 209, which is far away from the hydraulic rod 202, is hinged with a first connecting rod 208, and the tail end of the first connecting rod 208 is fixedly connected with a U-shaped frame 213; the end of the second rack 209 adjacent to the hydraulic ram 202 is fixedly attached to the second energy absorber assembly. When the shed tunnel is impacted, the second rack 209 slides leftwards, so as to drive the second gear 210 meshed with the second rack to rotate, further drive the torsion spring 212 fixedly connected with the second rack to twist, absorb the impact, and improve the reliability of the shed tunnel.
Further, the second energy absorption assembly comprises a C-shaped groove 203 arranged on one side, close to the hydraulic rod 202, of the second fixed block 207, and the C-shaped groove 203 is fixedly connected with the bottom end of the buffer groove 204; a second connecting rod 206 is slidably connected in the C-shaped groove 203, one end of the second connecting rod 206 is fixedly connected with a second rack 209, the other end of the second connecting rod 206 is fixedly connected with a second spring 205, and the tail end of the second spring 205 is fixedly connected with the inner wall of the C-shaped groove 203. The second rack 209 moves the second connecting rod 206 leftward, compressing the second spring 205 to absorb the impact. Further improving the reliability of the whole shed tunnel.
Further, the material of the shed roof block 302 is UHPC. The UHPC has high strength, strong toughness and light weight, and improves the overall weight of the shed tunnel while ensuring that the guide plate 1 and the shed tunnel roof 3 have sufficient impact resistance.
Further, in order to enable the guide plate 1 to have a better snow guide effect and avoid larger impact on the shed tunnel, the included angle between the guide plate 1 and the horizontal plane is 30-45 degrees.
The specific implementation mode is as follows: the base 6 is fixed on the ground 7, and after the base 6 is fixed, the upright post 8 is fixed on the top end of the base 6.
The first gear 507 is driven to rotate by rotating the adjusting knob, so that the first rack 505 is driven to slide in the adjusting box 504, the purpose of adjusting the distance between the first support frame 503 and the second support frame 501 is achieved, and after the adjusting is completed, the first support frame 503 and the second support frame 501 are hoisted onto the upright post 8 and are fixedly connected with the upright post 8 through the inserting rod 10 and the slot.
Then hoisting the prefabricated shed roof 3, wherein two adjacent shed roof blocks 302 are in contact connection in the hoisting process to enable the shed roof 3 to form an arc shape, the positioning rods 13 below the shed roof blocks 302 are in butt joint with the corresponding clamping parts, the shed roof 3 applies weight to the supporting blocks 402 through the positioning rods 13, under the action of gravity, the first spring 409 is compressed to drive the sliding plate 411 to move downwards, the sliding plate 411 drives the sixth connecting rod 410 hinged with the sliding plate to move, the sixth connecting rod 410 pushes the fourth connecting rod 405 and the fifth connecting rod 406 hinged with the sixth connecting rod 410 to move, and then make fourth connecting rod 405 and fifth connecting rod 406 be in vertical commentaries on classics attitude, and then drive third connecting rod 404 and rotate, make clamping block 401 centre gripping locating rod 13, make shed tunnel roof 3 realize the location and tentatively fix, fix a position after with shed tunnel roof 3 and stand 8 fixed connection through insertion rod 10 and slot.
The buffer part 2 and the flexible connecting piece 301 are fixed, one end of the guide plate 1 is hinged to the top end of the buffer part 2 after the buffer part is fixed, and the other end of the guide plate 1 is fixedly connected with the mountain.
Through the construction process, the required shed tunnel is finally built by erecting one section of the tunnel.
When avalanche occurs, the snow is guided away by the guide plate 1, and the damage to the shed tunnel caused by the direct impact of the snow on the shed tunnel is prevented. In the process, the impact force drives the cover plate 201 to move downwards, the U-shaped frame 213 drives the first connecting rod 208 to move, the second rack 209 slides leftwards under the action of the first connecting rod 208, and then drives the second gear 210 meshed with the first rack to rotate, and further drives the torsion spring 212 fixedly connected with the second rack to twist, so as to absorb the impact; at the same time, the second rack 209 drives the second connecting rod 206 to move leftward, compressing the second spring 205 and absorbing the impact. The two-stage energy absorption assembly absorbs the impact on the shed tunnel during avalanche, so that the reliability and the service life of the invention are greatly improved.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. The utility model provides a durable type assembled UHPC shed tunnel structure in plateau, the shed tunnel structure is located one side of massif (9), just the fixed establishment of shed tunnel structure is on ground (7), its characterized in that: comprises a base (6) fixedly connected to the ground (7) and a stand column (8) fixedly connected to the top end of the base (6); a supporting part (5) is fixedly connected to the top end of the upright post (8), a shed roof (3) is arranged above the supporting part (5), a plurality of clamping parts (4) are fixedly connected to one side, far away from the base (6), of the supporting part (5), and positioning rods (13) corresponding to the clamping parts (4) are fixedly arranged on one side, close to the base (6), of the shed roof (3); the bottom end of the shed tunnel roof (3) is fixedly connected with the top end of the upright post (8); the top end of the shed tunnel roof (3) is fixedly connected with a buffering part (2), a guide plate (1) is obliquely arranged above the buffering part (2), one end of the guide plate (1) is hinged with the buffering part (2), and the other end of the guide plate (1) is fixedly connected with the mountain body (9);
the clamping part (4) comprises a fixed seat (407) fixedly connected with the supporting part (5), a groove is formed in the top end of the fixed seat (407), a fixed rod (408) is fixedly connected to the bottom end of the groove, a limiting bulge is fixedly arranged at the top end of the fixed rod (408), and a sliding plate (411) is slidably sleeved on the fixed rod (408); a first spring (409) is sleeved on the fixed rod (408), and two ends of the first spring (409) are respectively and fixedly connected with the bottom end of the sliding plate (411) and the bottom end of the groove; a supporting block (402) is arranged above the fixed seat (407), and the supporting block (402) is fixedly connected with the sliding plate (411); a first fixing block (412) is arranged above the fixing rod (408), the first fixing block (412) is fixedly connected with the groove, third connecting rods (404) are symmetrically hinged to the first fixing block (412), the top ends of the third connecting rods (404) are fixedly connected with clamping blocks (401), and the clamping blocks (401) are located above the fixing seat (407); the tail end of the third connecting rod (404) is in transmission connection with the sliding plate (411);
the tail end of the third connecting rod (404) is hinged with a fourth connecting rod (405), and the tail end of the fourth connecting rod (405) is hinged with a fifth connecting rod (406) and a sixth connecting rod (410); the tail end of the fifth connecting rod (406) is hinged with the inner wall of the groove, and the tail end of the sixth connecting rod (410) is hinged with the sliding plate (411).
2. The plateau durable fabricated UHPC hangar tunnel structure of claim 1, wherein: the shed tunnel roof (3) comprises a flexible connecting piece (301), the bottom end of the flexible connecting piece (301) is fixedly connected with a plurality of shed tunnel roof block bodies (302), and every two adjacent shed tunnel roof block bodies (302) are in clearance fit; the positioning rod (13) is fixedly connected with the shed tunnel roof block body (302).
3. The plateau durable fabricated UHPC hangar tunnel structure of claim 1, wherein: the supporting part (5) comprises a first supporting frame (503) and a second supporting frame (501) which are fixedly connected with the upright post (8), and the fixed seat (407) is fixedly connected to the first supporting frame (503) and the second supporting frame (501); the tail end of the second support frame (501) is fixedly connected with an adjusting box (504), and the tail end of the first support frame (503) is connected with the adjusting box (504) in a sliding mode.
4. The plateau durable fabricated UHPC hangar tunnel structure of claim 3, wherein: a first rack (505) and a first gear (507) are arranged in the adjusting box (504), the first rack (505) is in limit sliding connection with the adjusting box (504), the first gear (507) is in rotary connection with the adjusting box (504), and the first gear (507) is meshed with the first rack (505); the tail end of the first support frame (503) penetrates through the adjusting box (504) and is fixedly connected with the first rack (505); an adjusting knob is arranged on the outer wall of the adjusting box (504), and the adjusting knob is coaxially and fixedly connected with the first gear (507).
5. The plateau durable fabricated UHPC hangar tunnel structure of claim 2, wherein: the buffer part (2) comprises a buffer groove (204) fixedly connected with the flexible connecting piece (301), and hydraulic rods (202) are symmetrically and fixedly connected to the inner wall of the bottom end of the buffer groove (204); the top end of the hydraulic rod (202) is fixedly connected with a cover plate (201), and the guide plate (1) is hinged with the cover plate (201); first energy absorption components are symmetrically arranged between the two hydraulic rods (202), a second energy absorption component is arranged on one side, close to the hydraulic rods (202), of each first energy absorption component, and the first energy absorption components are fixedly connected with the second energy absorption components.
6. The plateau durable fabricated UHPC hangar tunnel structure of claim 5, wherein: the first energy absorption assembly comprises a second fixed block (207) fixedly connected with the buffer groove (204), the side wall of the second fixed block (207) is connected with a second rack (209) in a sliding mode, the bottom end of the buffer groove (204) is connected with a second gear (210) in a rotating mode, and the second rack (209) is meshed with the second gear (210); the top end of the second gear (210) is fixedly connected with a sliding rod (211), the bottom end of the cover plate (201) is fixedly connected with a U-shaped frame (213), and the tail end of the sliding rod (211) penetrates through the U-shaped frame (213) and is fixedly connected with a limiting bulge; a torsion spring (212) is sleeved on the sliding rod (211), and two ends of the torsion spring (212) are respectively fixedly connected with the top end of the second gear (210) and the bottom end of the U-shaped frame (213); one end, away from the hydraulic rod (202), of the second rack (209) is hinged to a first connecting rod (208), and the tail end of the first connecting rod (208) is fixedly connected with the U-shaped frame (213); one end of the second rack (209) close to the hydraulic rod (202) is fixedly connected with the second energy absorption assembly.
7. The plateau durable fabricated UHPC hangar tunnel structure of claim 6, wherein: the second energy absorption assembly comprises a C-shaped groove (203) arranged on one side, close to the hydraulic rod (202), of the second fixed block (207), and the C-shaped groove (203) is fixedly connected with the bottom end of the buffer groove (204); c shape inslot (203) sliding connection has second connecting rod (206), the one end of second connecting rod (206) with second rack (209) fixed connection, the other end fixed connection of second connecting rod (206) has second spring (205), the end of second spring (205) with C shape inslot (203) inner wall fixed connection.
8. The plateau durable fabricated UHPC hangar tunnel structure of claim 2, wherein: the material of the shed tunnel roof block body (302) is UHPC.
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| CN116353796B (en) * | 2023-04-19 | 2024-05-31 | 广东海洋大学 | Floating self-rescue device under extreme typhoons of offshore platform |
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